Polisher



FIG. 1 is a front perspective view of a polisher showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof. The right side elevational view is a mirror image of the left side; and,

FIG. 5 is a top plan view thereof.

The broken line showing of a buffing pad is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a polisher, as shown and described. 